• A72 not handling IRQ properly
    I want a register write to happen whenever there is an interrupt at irq pin of core 0 and I have written the code for the same. A72 branches to address 0x18 (V=0 and VE=0) by default whenever there is...
  • Setting up IRQ in ARM
    Hi everyone I am new to ARM and really wanted to learn about various aspects of ARM Programming . I have basic understanding of x86 Assembly. So,what Specifically I wanted to know is what happens when...
  • IRQ Execution in nRF51
    Hello I am using Seggar Embedded Studio for ARM V3.4 and nRF_SDK 12.3.0. I am using nRF51 DK I am trying to understand interrupts and interrupt handlers. The interrupt request for Watchdog timer...
  • Re-entrant IRQ handler for A53
    Hello all, I have a A53 based platform. There are multiple IRQ sources, some of which fire at the same time. To avoid recursive IRQ handler calls, I have disabled IRQs' on entry in IRQ handler and enabled...
  • Cortex M7 irq enable/disable
    In the appnote "ARM Cortex-M Programming Guide to Memory Barrier Instructions" there is a section that describes the use of memory barriers in the Cortex-M processors on a case-by-case basis. Are those...